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What are the file limits in Git (number and size)?
...fect other operations. Cloning can use lots of memory though (and a lot of cpu unless you turn on reachability bitmap feature, which you should).
Will 'git pull' be slow?
If we exclude the server side, the size of your tree is the main factor, but your 25k files should be fine (lin...
Pandas aggregate count distinct
...aframe, then grouped to ~2M
%time _=g.agg({"id": lambda x: x.nunique()})
CPU times: user 3min 3s, sys: 2.94 s, total: 3min 6s
Wall time: 3min 20s
%time _=g.agg({"id": pd.Series.nunique})
CPU times: user 3min 2s, sys: 2.44 s, total: 3min 4s
Wall time: 3min 18s
%time _=g.agg({"id": "nunique"})
CPU...
What's better at freeing memory with PHP: unset() or $var = null
...age collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever = null; then you are rewriting variable's data. You might get memory freed / shrunk f...
PHP PDO returning single row
... answered Feb 13 '15 at 11:14
Bé Khỏe Bé ProBé Khỏe Bé Pro
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Why is a boolean 1 byte and not 1 bit of size?
...
Because the CPU can't address anything smaller than a byte.
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How to Detect if I'm Compiling Code with a particular Visual Studio version?
... you just need to check == 1500 in that case
– José
Nov 26 '13 at 20:46
@José, true we could simplify it to just ...
How do I 'git diff' on a certain directory?
...--dir-diff --tool=bc3 --no-prompt" instead
– Mark Schäfer
Nov 1 '18 at 8:22
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How can I specify the base for Math.log() in JavaScript?
...swered Jan 23 '14 at 10:44
YukuléléYukulélé
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Converting a JS object to an array using jQuery
...ed Sep 22 '16 at 18:00
Jean-François Beauchamp
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answered Oct 2 '14 at 17:33
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Delete everything in a MongoDB database
I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...